20121008508

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{52387}}^1$

素因数の和:52671

約数の個数: 72

約数和(自身を含む): 52173418752

約数和(自身を除く): 32052410244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 227, 282, 423, 454, 564, 681, 846, 908, 1362, 1692, 2043, 2724, 4086, 8172, 10669, 21338, 32007, 42676, 52387, 64014, 96021, 104774, 128028, 157161, 192042, 209548, 314322, 384084, 471483, 628644, 942966, 1885932, 2462189, 4924378, 7386567, 9848756, 11891849, 14773134, 22159701, 23783698, 29546268, 35675547, 44319402, 47567396, 71351094, 88638804, 107026641, 142702188, 214053282, 428106564, 558916903, 1117833806, 1676750709, 2235667612, 3353501418, 5030252127, 6707002836, 10060504254, 20121008508]

約数ペア:

[(1, 20121008508), (2, 10060504254), (3, 6707002836), (4, 5030252127), (6, 3353501418), (9, 2235667612), (12, 1676750709), (18, 1117833806), (36, 558916903), (47, 428106564), (94, 214053282), (141, 142702188), (188, 107026641), (227, 88638804), (282, 71351094), (423, 47567396), (454, 44319402), (564, 35675547), (681, 29546268), (846, 23783698), (908, 22159701), (1362, 14773134), (1692, 11891849), (2043, 9848756), (2724, 7386567), (4086, 4924378), (8172, 2462189), (10669, 1885932), (21338, 942966), (32007, 628644), (42676, 471483), (52387, 384084), (64014, 314322), (96021, 209548), (104774, 192042), (128028, 157161)]